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Inorganic Materials

, Volume 53, Issue 5, pp 462–468 | Cite as

Structural and morphological transformations of carbon nanospheres during high-temperature, high-pressure processing

  • V. P. Filonenko
  • I. P. Zibrov
  • M. V. Trenikhin
  • P. E. Pavlyuchenko
  • A. B. Arbuzov
  • V. A. Drozdov
  • V. A. Likholobov
Article

Abstract

This paper presents analysis of structural changes in powders consisting of turbostratic carbon spheres with an average particle diameter of 250 and 25 nm after high-temperature, high-pressure processing at a pressure of 8 GPa. It has been shown that marked ordering of graphene sheets is observed at 1300°C and actively proceeds at higher temperatures. The major morphological species in the samples after processing is slabs of graphene sheets, and three-dimensional structural perfection is higher at the smaller particle size. Using high-resolution electron microscopy, samples of this powder were shown to contain diamond nanocrystallites.

Keywords

turbostratic carbon spheres high pressures graphite diamond 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • V. P. Filonenko
    • 1
  • I. P. Zibrov
    • 1
  • M. V. Trenikhin
    • 2
    • 3
  • P. E. Pavlyuchenko
    • 2
    • 3
  • A. B. Arbuzov
    • 2
    • 3
  • V. A. Drozdov
    • 2
    • 3
  • V. A. Likholobov
    • 2
    • 3
  1. 1.Vereshchagin Institute of High-Pressure PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Hydrocarbon Processing Problems, Siberian BranchRussian Academy of SciencesOmskRussia
  3. 3.Omsk Scientific Center, Siberian BranchRussian Academy of SciencesOmskRussia

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